diff --git a/deps/zlib/contrib/optimizations/chunkcopy.h b/deps/zlib/contrib/optimizations/chunkcopy.h
index 9c0b7cb06c2dcc..6232fae37448ce 100644
--- a/deps/zlib/contrib/optimizations/chunkcopy.h
+++ b/deps/zlib/contrib/optimizations/chunkcopy.h
@@ -29,6 +29,7 @@
 #include <arm_neon.h>
 typedef uint8x16_t z_vec128i_t;
 #elif defined(INFLATE_CHUNK_SIMD_SSE2)
+#pragma GCC target ("sse2")
 #include <emmintrin.h>
 typedef __m128i z_vec128i_t;
 #else
diff --git a/deps/zlib/fill_window_sse.c b/deps/zlib/fill_window_sse.c
index a841c99904baee..e618534a23fb9a 100644
--- a/deps/zlib/fill_window_sse.c
+++ b/deps/zlib/fill_window_sse.c
@@ -29,6 +29,7 @@
 
 extern int deflate_read_buf OF((z_streamp strm, Bytef *buf, unsigned size));
 
+#pragma GCC target ("sse2")
 #include <immintrin.h>
 
 void fill_window_sse(deflate_state *s)